---> uname -a: Linux 0634cd0f01aa 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.396 BogoMIPS: 5866.79 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.2G 42.8G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/_app-service-configurable_master /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/_app-service-configurable_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 647 117 0 1072 1084 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/17/20 _x86_64_ (4 CPU) 17:38:55 LINUX RESTART 17:40:01 tps rtps wtps bread/s bwrtn/s 17:41:01 2.03 0.00 2.03 0.00 41.90 17:42:01 0.32 0.00 0.32 0.00 5.13 17:43:01 0.30 0.00 0.30 0.00 3.50 17:44:01 0.23 0.00 0.23 0.00 2.70 17:45:01 0.32 0.00 0.32 0.00 4.95 17:46:01 0.30 0.02 0.28 0.13 2.87 17:47:01 0.28 0.00 0.28 0.00 3.06 17:48:01 0.23 0.00 0.23 0.00 2.90 17:49:02 0.22 0.00 0.22 0.00 2.95 17:50:01 0.32 0.00 0.32 0.00 3.95 17:51:01 0.28 0.00 0.28 0.00 2.71 Average: 0.44 0.00 0.44 0.01 6.97 17:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:41:01 178780 1702776 90.50 2620 1146900 1081712 36.92 409520 1133312 20 17:42:01 176472 1705084 90.62 2620 1146904 1079908 36.86 413860 1131528 8 17:43:01 173052 1708504 90.80 2620 1146912 1079920 36.86 417372 1131520 8 17:44:01 172040 1709516 90.86 2620 1146912 1079800 36.85 419000 1131132 20 17:45:01 171320 1710236 90.89 2620 1146920 1079812 36.85 419936 1130624 8 17:46:01 171676 1709880 90.88 2620 1146928 1079856 36.85 437644 1112452 8 17:47:01 172296 1709260 90.84 2620 1146932 1079856 36.85 428476 1121628 8 17:48:01 172116 1709440 90.85 2620 1146940 1079856 36.85 428484 1121628 8 17:49:02 172172 1709384 90.85 2620 1146944 1079856 36.85 428612 1121628 8 17:50:01 168968 1712588 91.02 2620 1146952 1079940 36.86 428676 1124436 8 17:51:01 169132 1712424 91.01 2620 1146952 1079916 36.86 428540 1124436 8 Average: 172548 1709008 90.83 2620 1146927 1080039 36.86 423647 1125848 10 17:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:41:01 eth0 0.72 0.10 0.06 0.01 0.00 0.00 0.00 17:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:42:01 eth0 3.71 2.00 3.16 0.28 0.00 0.00 0.00 17:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:43:01 eth0 0.90 0.30 0.31 0.23 0.00 0.00 0.00 17:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:44:01 eth0 0.25 0.17 0.17 0.01 0.00 0.00 0.00 17:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:45:01 eth0 0.28 0.20 0.14 0.07 0.00 0.00 0.00 17:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 17:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 17:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 17:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 17:49:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 eth0 0.54 0.17 0.10 0.07 0.00 0.00 0.00 17:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 eth0 0.18 0.17 0.07 0.01 0.00 0.00 0.00 17:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.62 0.30 0.37 0.06 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/17/20 _x86_64_ (4 CPU) 17:38:55 LINUX RESTART 17:40:01 CPU %user %nice %system %iowait %steal %idle 17:41:01 all 0.15 0.00 0.05 0.00 0.00 99.80 17:41:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:41:01 1 0.05 0.00 0.07 0.00 0.00 99.88 17:41:01 2 0.45 0.00 0.03 0.00 0.00 99.52 17:41:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:42:01 all 0.18 0.00 0.03 0.00 0.00 99.79 17:42:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:42:01 1 0.07 0.00 0.03 0.00 0.00 99.90 17:42:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:42:01 3 0.53 0.00 0.02 0.00 0.00 99.45 17:43:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:43:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:43:01 1 0.02 0.00 0.02 0.00 0.00 99.97 17:43:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:43:01 3 0.50 0.00 0.02 0.00 0.00 99.48 17:44:01 all 0.15 0.00 0.04 0.00 0.00 99.81 17:44:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:44:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:44:01 2 0.08 0.00 0.05 0.00 0.00 99.87 17:44:01 3 0.47 0.00 0.05 0.00 0.02 99.47 17:45:01 all 0.06 0.00 0.05 0.00 0.00 99.89 17:45:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:45:01 1 0.05 0.00 0.02 0.00 0.00 99.93 17:45:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:45:01 3 0.13 0.00 0.15 0.00 0.00 99.72 17:46:01 all 0.04 0.00 0.03 0.00 0.00 99.93 17:46:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:46:01 1 0.03 0.00 0.02 0.02 0.00 99.93 17:46:01 2 0.02 0.00 0.02 0.00 0.00 99.97 17:46:01 3 0.05 0.00 0.08 0.00 0.00 99.87 17:47:01 all 0.07 0.00 0.04 0.00 0.00 99.89 17:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:47:01 1 0.02 0.00 0.02 0.00 0.00 99.97 17:47:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:47:01 3 0.22 0.00 0.08 0.00 0.00 99.70 17:48:01 all 0.15 0.00 0.03 0.00 0.00 99.81 17:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:48:01 1 0.25 0.00 0.07 0.00 0.00 99.68 17:48:01 2 0.00 0.00 0.03 0.00 0.00 99.97 17:48:01 3 0.35 0.00 0.03 0.00 0.00 99.62 17:49:02 all 0.16 0.00 0.03 0.00 0.00 99.81 17:49:02 0 0.03 0.00 0.03 0.00 0.00 99.93 17:49:02 1 0.53 0.00 0.02 0.00 0.00 99.45 17:49:02 2 0.02 0.00 0.02 0.00 0.00 99.97 17:49:02 3 0.05 0.00 0.05 0.00 0.00 99.90 17:50:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:50:01 0 0.39 0.00 0.02 0.00 0.00 99.59 17:50:01 1 0.17 0.00 0.02 0.00 0.00 99.81 17:50:01 2 0.02 0.00 0.03 0.00 0.00 99.95 17:50:01 3 0.03 0.00 0.05 0.00 0.00 99.92 17:51:01 all 0.15 0.00 0.02 0.00 0.00 99.83 17:51:01 0 0.53 0.00 0.02 0.00 0.00 99.45 17:51:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:51:01 2 0.02 0.00 0.02 0.00 0.00 99.97 17:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.13 0.00 0.04 0.00 0.00 99.84 Average: 0 0.11 0.00 0.02 0.00 0.00 99.86 Average: 1 0.11 0.00 0.03 0.00 0.00 99.86 Average: 2 0.07 0.00 0.03 0.00 0.00 99.90 Average: 3 0.22 0.00 0.05 0.00 0.00 99.73